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Re: Duplicate downloaded rules
From: "Lay, James" <james.lay () wincofoods com>
Date: Tue, 19 Oct 2010 09:27:44 -0600

Ok...thanks again Jason.  Also....I guess there's something I do not
understand as it relates to ET & VRT rules.  As I understand it:

 

Snort VRT support 2.8.6.1 and 2.9.0

ET support 2.4-2.8.6

 

Is it just me or does this not make sense?  Why are ET rules even
bothering with unsupported versions of Snort, and not putting out rules
that are in line with supported versions of Snort?  I have to be
honest...from a home and business user, going from what used to be a
relatively easy rule management system, to what it is now has been
extremely time consuming and frustrating.  And, coming from someone who
has little knowledge of how the ET and VRT rulesets are
developed/maintained, I have to think that duplicate SID's seems to be
counterproductive.  I'll keep plodding along...thank you.

 

James  

 

From: Weir, Jason [mailto:jason.weir () nhrs org] 
Sent: Tuesday, October 19, 2010 9:20 AM
To: snort-users () lists sourceforge net
Subject: Re: [Snort-users] Duplicate downloaded rules

 

looks good - let me know if you have any problems..

 

FYI - this might change if ET & VRT come up with a better solution..

 

-J

        -----Original Message-----
        From: Lay, James [mailto:james.lay () wincofoods com] 
        Sent: Tuesday, October 19, 2010 11:11 AM
        To: snort-users () lists sourceforge net
        Subject: Re: [Snort-users] Duplicate downloaded rules

        ....so let me understand this.  My current setup is:

         

        /usr/local/bin/oinkmaster.pl -C
/usr/local/etc/snort/oinkmaster.conf -o /usr/local/etc/snort/rules

        /usr/local/bin/create-sidmap.pl /usr/local/etc/snort/rules >
/usr/local/etc/snort/sid-msg.map

         

        I need to:

        Create separate directories for the two rulesets

        Change the above to reflect:

         

                /usr/local/bin/oinkmaster.pl -C /usr/local/etc/vrt.conf
-o /etc/snort/rules/vrt

                /usr/local/bin/oinkmaster.pl -C /usr/local/etc/et.conf
-o /etc/snort/rules/et

         

                cp /etc/snort/rules/vrt/*.* /etc/snort/rules

                cp /etc/snort/rules/et/*.* /etc/snort/rules

        Create two new oinkmaster conf files, the vrt.conf containing
what's in the attachment in the original post of the 410 rules.

        Modify create-sidmap.pl line 101 to reflect:

         

                next if ($single =~ /^\#/);

         

        Have I missed anything?  Thanks Jason

         

         

        From: Weir, Jason [mailto:jason.weir () nhrs org] 
        Sent: Tuesday, October 19, 2010 8:19 AM
        To: snort-users () lists sourceforge net
        Subject: Re: [Snort-users] Duplicate downloaded rules

         

        ET and VRT are publishing duplicate rules.

         

        Read the "The New Rulesets are Ready!!" thread here

         

        
http://lists.emergingthreats.net/pipermail/emerging-sigs/2010-October/th
read.html

         

        Not sure if you use Oinkmaster but I posted a solution in that
thread.

         

        -J

                -----Original Message-----
                From: Lay, James [mailto:james.lay () wincofoods com] 
                Sent: Tuesday, October 19, 2010 10:05 AM
                To: snort-users () lists sourceforge net
                Subject: [Snort-users] Duplicate downloaded rules

                I sent this to snort-sigs a few days ago, but it got
moderated into oblivion.  Here's a pruned down one in hopes it will make
it:

                 

                I am seeing the below with grabbing these rulesets:

                 

                Downloading file from
http://www.snort.org/pub-bin/oinkmaster.cgi/*oinkcode*/snortrules-snapsh
ot-2900.tar.gz

                Downloading file from
http://rules.emergingthreats.net/open/snort-2.8.6/emerging.rules.tar.gz

                 

                WARNING: duplicate SID in downloaded archive, SID=498,
only keeping rule with highest 'rev'

                WARNING: duplicate SID in downloaded archive, SID=494,
only keeping rule with highest 'rev'

                WARNING: duplicate SID in downloaded archive, SID=495,
only keeping rule with highest 'rev'

                WARNING: duplicate SID in downloaded archive, SID=497,
only keeping rule with highest 'rev'

                <snip> many more of these

                WARNING: duplicate SID in downloaded archive, SID=1666,
only keeping rule with highest 'rev'

                WARNING: duplicate SID in downloaded archive, SID=1988,
only keeping rule with highest 'rev'

                WARNING: duplicate SID in downloaded archive, SID=1989,
only keeping rule with highest 'rev'

                 

                A grand total of 409 dup messages are seen even as of
this morning.  Maybe this one will make it through...

                 

                James

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